564 BOLETUS 



1860. B. spadiceus (Schaeff.) Fr. Krombh. t. 36, figs. 19, 20, as 

 Boletus tomentosus Krombh. Spadiceus, date brown. 



P. 5-10 cm., date brown, opaque, convex, then pulvinato-expanded, 

 dry, tomentose, then widely cracked. St. 5-8 x 1-5-2-5 cm., yellow, 

 becoming fuscous, fiocculoso-furfuraceous, firm, with anastomosing, thin, 

 tawny ribs. Tubes golden sulphur yellow, adnate ; orifice of pores wide, 

 round, toothed. Flesh white, yellowish in the St., and fuscous reddish 

 under the cuticle of the p. Spores yellow, "10-12/A, 2-4-guttulate " 

 Quel. Woods. July Nov. Uncommon. 



1861. B. Rostkovii Fr. Rostk. Bol. t. 18, as Boletus lividus Bull. 



Dr Friedrich Wilhelm Theophilus Rostkovius. 

 P. 7-5-10 cm., dingy olive brown, or rufous, convex, or almost plane, 

 very minutely tomentose, often areolately cracked, interstices pale. 

 St. 2-5-5 x 2-5 cm., pale reddish yellow, obconic, tapering almost to a 

 point at the base. Tubes pale yellow green, adnate, about 12 mm. 

 long; orifice of pores irregularly angular, compound. Flesh white, 

 becoming tinged red when cut, with here and there a shade of blue. 

 Spores "pale olive, elongato-fusoid, 20 x 5/n" Massee, 2-guttulate. 

 Under beeches. Aug. Rare. 



1862. B. radicans (Pers.) Fr. Radicans, rooting. 

 P. 6-8 cm., olivaceous cinereous, then pale yellowish, convex, pul- 



vinate, dry, subtomentose ; margin thin, incurved. St. 7-10 x 1-5- 

 2-5 cm., light yellow, attenuato-rooted, fiocculose with reddish pruina, 

 naked and dark when touched, firm. Tubes lemon yellow, becoming 

 greenish or bluish when touched, adnate; orifice of tubes unequal, large, 

 angular. Flesh pale lemon yellow, becoming immediately deep blue on 

 exposure to the air, soft, watery. Spores yellow, oblong fusiform, 

 13-14 x 4-5/u, 1-2-guttulate. Taste bitter. Woods, and hedgerows. 

 July Sept. Rare, (v.v.) 



1863. B. rubinus W. G. Sm. W. G-. Sm. in Journ. Bot. (1868), t. 75, 

 figs. 1-4. Rubinus, ruby coloured. 



P. 4-8 cm., yellow fuscous, pulvinato-gibbous, then plane, dry, sub- 

 tomentose, slightly cracked. St. 5-7-5 x 2 cm., yellow, smeared with 

 crimson, equal, or attenuated downwards. Tubes wholly carmine, sub- 

 decurrent, short at first; orifice of pores medium size, compound. 

 Flesh yellow, becoming whitish when dry in the p. Spores pale, oval, 

 6 x 4-5/M. Woods, roadsides, and under oaks. Aug. Sept. Un- 

 common, (v.v.) 



1864. B. versicolor Rostk. Boud. Icon. t. 143. 



Versicolor, of various colours. 



P. 2-7 cm., blood red, or deep rose-pink, becoming tawny at the disc, 

 or all over with age, convex, then plane, minutely tomentose, rarely 



